erraticadj.古怪的;飘忽不定的;不稳定的
erratic index漂砾指数
erratic pulse不规则的脉搏
erratic error不规则误差
erratic shifts不稳定漂移
erratic firing不规则发火
erratic doping不规则掺杂
erratic bounce(球)不规则的弹跳
erratic picture不稳定的图象
erratic subsoil不均一土壤
erratic feeding不均匀给进